diff --git a/core/lib/Drupal/Core/Template/TwigExtension.php b/core/lib/Drupal/Core/Template/TwigExtension.php
index 520a8be..70c0d54 100644
--- a/core/lib/Drupal/Core/Template/TwigExtension.php
+++ b/core/lib/Drupal/Core/Template/TwigExtension.php
@@ -6,6 +6,7 @@
 use Drupal\Component\Render\MarkupInterface;
 use Drupal\Core\Cache\CacheableDependencyInterface;
 use Drupal\Core\Datetime\DateFormatterInterface;
+use Drupal\Core\Render\Element;
 use Drupal\Core\Render\AttachmentsInterface;
 use Drupal\Core\Render\BubbleableMetadata;
 use Drupal\Core\Render\Markup;
@@ -185,6 +186,9 @@ public function getFilters() {
       // This filter will render a renderable array to use the string results.
       new \Twig_SimpleFilter('render', [$this, 'renderVar']),
       new \Twig_SimpleFilter('format_date', [$this->dateFormatter, 'format']),
+
+      new \Twig_SimpleFilter('style', array($this, 'getImageStyleUrl')),
+      new \Twig_SimpleFilter('size', array($this, 'getImageFieldWithStyle')),
     ];
   }
 
@@ -630,4 +634,47 @@ public function createAttribute(array $attributes = []) {
     return new Attribute($attributes);
   }
 
+  /**
+   * Wrapper around \Drupal\image\ImageStyleInterface::buildUrl().
+   *
+   * @param string $style
+   *   The image style.
+   * @param string $uri
+   *   Url to image.
+   *
+   * @return mixed
+   *   Image url with an image style applied to it.
+   */
+  public function getImageStyleUrl($uri, $style) {
+    $style = entity_load('image_style', $style);
+    return $style->buildUrl($uri);
+  }
+
+  /**
+   * Function that returns a renderable array of an image field with a given
+   * image style.
+   *
+   * @param $field
+   *   Renderable array of a field.
+   * @param $style
+   *   an image style.
+   *
+   * @return mixed
+   *   a renderable array or NULL if there is no valid input.
+   */
+  public function getImageFieldWithStyle($field, $style) {
+    if(!isset($field['#field_type']) || $field['#field_type'] !== 'image') {
+      return NULL;
+    }
+
+    $element_children = Element::children($field, TRUE);
+
+    if(!empty($element_children)) {
+      foreach ($element_children as $delta => $key) {
+        $field[$key]['#image_style'] = $style;
+      }
+    }
+
+    return $field;
+  }
 }